源代码如下：
#include
#include
#include "Windows.h"
#include "HCNetSDK.h"
using namespace std;
int saveRecordFile(int userId,char * srcfile,char * destfile)
{
int bRes = 1;
int hPlayback = 0;
//按文件名下载录像
if( (hPlayback = NET_DVR_GetFileByName(userId, srcfile, destfile)) < 0 )
{
printf( "GetFileByName failed. error[%d]\n", NET_DVR_GetLastError());
bRes= -1;
return bRes;
} //开始下载
if(!NET_DVR_PlayBackControl_V40(hPlayback, NET_DVR_PLAYSTART, NULL,0,NULL,NULL))
{
printf("play back control failed [%d]\n",NET_DVR_GetLastError());
bRes=-1;
return bRes;
}
int nPos = 0;
for(nPos = 0; nPos < 100&&nPos>=0; nPos = NET_DVR_GetDownloadPos(hPlayback))
{ printf("Be downloading...%d %%\n", nPos); //下载进度
Sleep(5000); //millisecond
}
printf("have got %d\n", nPos); //停止下载
if(!NET_DVR_StopGetFile(hPlayback))
{
printf("failed to stop get file [%d]\n",NET_DVR_GetLastError());
bRes = -1;
return bRes;
}
printf("%s\n",srcfile);
if(nPos<0||nPos>100)
{
printf("download err [%d]\n",NET_DVR_GetLastError());
bRes=-1;
return bRes;
}
else
{
return 0;
}
}
void main() {
//--------------------------------------- // 初始化
NET_DVR_Init(); //设置连接时间与重连时间
NET_DVR_SetConnectTime(2000, 1);
NET_DVR_SetReconnect(10000, true);
//--------------------------------------- // 注册设备
LONG lUserID;
NET_DVR_DEVICEINFO_V30 struDeviceInfo;
lUserID = NET_DVR_Login_V30("192.0.0.64", 8000, "admin", "12345", &struDeviceInfo);
if (lUserID < 0)
{
printf("Login error, %d\n", NET_DVR_GetLastError());
NET_DVR_Cleanup();
return;
}
NET_DVR_FILECOND_V40 struFileCond={0};
struFileCond.dwFileType = 0xFF; struFileCond.lChannel = 1; //通道号
struFileCond.dwIsLocked = 0xFF;
struFileCond.dwUseCardNo = 0; struFileCond.struStartTime.dwYear = 2011; //开始时间
struFileCond.struStartTime.dwMonth = 3;
struFileCond.struStartTime.dwDay = 1;
struFileCond.struStartTime.dwHour = 10;
struFileCond.struStartTime.dwMinute = 6;
struFileCond.struStartTime.dwSecond =50; struFileCond.struStopTime.dwYear = 2011; //结束时间
struFileCond.struStopTime.dwMonth = 3;
struFileCond.struStopTime.dwDay = 1;
struFileCond.struStopTime.dwHour = 11;
struFileCond.struStopTime.dwMinute = 7;
struFileCond.struStopTime.dwSecond = 0;
//--------------------------------------- //查找录像文件
int lFindHandle = NET_DVR_FindFile_V40(lUserID, &struFileCond);
if(lFindHandle < 0)
{
printf("find file fail,last error %d\n",NET_DVR_GetLastError());
return;
}
NET_DVR_FINDDATA_V40 struFileData;
while(true)
{ //逐个获取查找到的文件信息
int result = NET_DVR_FindNextFile_V40(lFindHandle, &struFileData);
if(result == NET_DVR_ISFINDING)
{
continue;
} else if(result == NET_DVR_FILE_SUCCESS) //获取文件信息成功
{
char strFileName[256] = {0};
sprintf(strFileName, "./%s", struFileData.sFileName);
saveRecordFile(lUserID, struFileData.sFileName, strFileName);
break;
} else if(result == NET_DVR_FILE_NOFIND || result == NET_DVR_NOMOREFILE) //未查找到文件或者查找结束
{
break;
}
else
{
printf("find file fail for illegal get file state");
break;
}
}
//停止查找
if(lFindHandle >= 0)
{
NET_DVR_FindClose_V30(lFindHandle);
}
//注销用户
NET_DVR_Logout(lUserID); //释放 SDK 资源
NET_DVR_Cleanup();
return;
}
